TNFSF4 and systemic lupus erythematosus: Examining the genetic association between SNPs within the TNFSF4 gene and SLE we identify association of rs1234313-G, within intron1, with SLE in Asians (P = 4.37×10−8, OR = 1.38 (95%CI 1.32–1.44)), and Europeans (P = 1.11×10−5, OR = 1.15(95% CI 1.11–1.27).